Document feeder



FIG. 1 is a top perspective view of our design for a document feeder;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a right side elevational view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a document feeder, as shown and described. 